Earth, Moon, and the Sun
Day and night, the changing shape of the Moon, and eclipses that darken the Sun or shadow the Moon all arise from motions in space, as this chapter of the NCERT Curiosity textbook for Class 7 shows. It explains rotation and revolution, the tilt that brings seasons, why the Moon shows phases though it gives no light of its own, and how the alignments of solar and lunar eclipses occur. Models with balls and lamps, plus safe viewing warnings, turn these distant movements into ideas learners can visualise.
Try a free lesson